This is an excellent follow up to my post: Maybe It Isn't All In Your Genes. About 50 minutes and worth your time.
The above video on DVD:
Ghost in Your Genes
NOVA - Cracking the Code of Life
A book for laymen:
The Genie in Your Genes: Epigenetic Medicine and the New Biology of Intention
H/T a friend (you know who you are - so do I) ;-)
Cross Posted at Classical Values